Elliptical machine



FIG. 1 is a top, front and left side perspective view of an elliptical machine showing my new design;

FIG. 2 is a top, rear and left side perspective view thereof;

FIG. 3 is a bottom, front and left side perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is an enlarged view of portion 10 in FIG. 1;

FIG. 11 is an enlarged view of portion 11 in FIG. 3; and,

FIG. 12 is an enlarged view of portion 12 in FIG. 5.

The broken lines in the drawings depict portions of the elliptical machine which form no part of the claimed design. 

CLAIM The ornamental design for an elliptical machine, as shown and described. 